[Bug 5417] New: i915: initial scissor rect is empty

[<bug...@fr...>]

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https://bugs.freedesktop.org/show_bug.cgi?id=5417          
     
           Summary: i915: initial scissor rect is empty
           Product: Mesa
           Version: 6.4
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Drivers/DRI/i915
        AssignedTo: dri...@li...
        ReportedBy: re...@gm...


When the initial scissor rectangle is set, it is empty (0,0-0,0), however,
mesa's default scissor seems to cover the screen. Hence, when scissor testing is
enabled, the screen stays unchanged if the scissor rect was not set or is set to
cover the whole screen (since the dri scissor function isn't called as no
difference to the "current" scissor is detected).          
     
     
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